function land() {
    axios.get("/user/login", {
        params: {
            userName: $("nameTxt").value,
            pwd: $("pwdTxt").value,
        }
    }).then(resp => {
        var info = resp.data;
        if (info == "ok") {
            console.log(info)
            location.href = "/menu.html";
        } else {
            $("tips").innerHTML = "账号或者密码错误";
        }
    })
}
